package com.example.eduorder.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.example.eduorder.entity.TOrder;
import com.example.eduorder.entity.TPayLog;
import com.example.eduorder.mapper.TPayLogMapper;
import com.example.eduorder.service.TOrderService;
import com.example.eduorder.service.TPayLogService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.example.eduorder.utils.HttpClient;
import com.example.handler.GuliException;
import com.github.wxpay.sdk.WXPayUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

/**
 * <p>
 * 支付日志表 服务实现类
 * </p>
 *
 * @author xiuxian
 * @since 2022-07-04
 */
@Service
public class TPayLogServiceImpl extends ServiceImpl<TPayLogMapper, TPayLog> implements TPayLogService {

    @Autowired
    private TOrderService orderService;

    //生产微信二维码的方法，使用固定的写法，直接导入使用即可
    @Override
    public Map<String, Object> createNative(String orderNo) {

        try {
            //1根据订单号查询订单的基本信息
            QueryWrapper<TOrder> wrapper=new QueryWrapper<>();
            wrapper.eq("order_no",orderNo);
            TOrder order = orderService.getOne(wrapper);
            //2使用map设置生成二维码需要参数
             Map m = new HashMap();

             m.put("appid", "wx74862e0dfcf69954");
             m.put("mch_id", "1558950191");
             m.put("nonce_str", WXPayUtil.generateNonceStr());
             m.put("body", order.getCourseTitle());  //课程标题
             m.put("out_trade_no", orderNo);  //订单编号
             m.put("total_fee", order.getTotalFee().multiply(new
                     BigDecimal("100")).longValue()+"");
             m.put("spbill_create_ip", "127.0.0.1");
             m.put("notify_url",
                    "http://guli.shop/api/order/weixinPay/weixinNotify\n");
             m.put("trade_type", "NATIVE");

            //3发送httpclient请求，传递参数xml格式，微信支付提供的固定地址
            HttpClient client=new HttpClient("https://api.mch.weixin.qq.com/pay/unifiedorder");
            //设置xml格式参数
            client.setXmlParam(WXPayUtil.generateSignedXml(m,"T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            //执行请求发送
            client.post();


            //4得到发送请求返回结果
            //返回的内容是以xml格式返回的
            String xml = client.getContent();
            //把xml格式转换为map集合，把map集合返回

            Map<String,String> resultMap=WXPayUtil.xmlToMap(xml);
            //最终返回数据的封装
             Map map = new HashMap<>();
             map.put("out_trade_no", orderNo);
             map.put("course_id", order.getCourseId());
             map.put("total_fee", order.getTotalFee());
             map.put("result_code", resultMap.get("result_code"));  //返回二维码的状态码
             map.put("code_url", resultMap.get("code_url"));  //二维码地址状态

            return  map;
        }catch (Exception e){
            e.printStackTrace();
            throw  new GuliException(20001,"生成二维码失败");
        }


    }

    //查询订单的支付状态
    @Override
    public Map<String, String> quetyPayStatus(String orderNo) {
        try {

            //1、封装参数
             Map m = new HashMap<>();
             m.put("appid", "wx74862e0dfcf69954");
             m.put("mch_id", "1558950191");
             m.put("out_trade_no", orderNo);
             m.put("nonce_str", WXPayUtil.generateNonceStr());

            //2、设置请求
            HttpClient client = new
                    HttpClient("https://api.mch.weixin.qq.com/pay/orderquery");
             client.setXmlParam(WXPayUtil.generateSignedXml(m,
                    "T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
             client.setHttps(true);
             client.post();

             //3.得到请求返回的内容
             String xml = client.getContent();
             //装成map再返回
             Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);

             //4、返回
             return resultMap;



        }catch (Exception e){
            throw  new GuliException(20001,"订单转态异常");
        }


    }

    //添加支付记录和更新订单状态
    @Override
    public void updateOrderStatus(Map<String, String> map) {
            //1从map中获取订单号
        String orderNo = map.get("out_trade_no");
        //2根据订单号查询订单的基本信息
        QueryWrapper<TOrder> wrapper=new QueryWrapper<>();
        wrapper.eq("order_no",orderNo);
        TOrder order = orderService.getOne(wrapper);
        //3更新订单表订单状态
        if(order.getStatus().intValue()==1){return;}

        order.setStatus(1); //
        orderService.updateById(order);

        //4向支付表添加支付记录
        TPayLog payLog=new TPayLog();
        payLog.setOrderNo(order.getOrderNo());//支付订单号
         payLog.setPayTime(new Date());
         payLog.setPayType(1);//支付类型
         payLog.setTotalFee(order.getTotalFee());//总金额(分)
         payLog.setTradeState(map.get("trade_state"));//支付状态
         payLog.setTransactionId(map.get("transaction_id"));
         payLog.setAttr(JSONObject.toJSONString(map));

         baseMapper.insert(payLog);//插入到支付表


    }
}
